Automobile armrest



FIG. 1 is a perspective view of an automobile armrest showing the front, top and left side of my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a rear elevation view thereof; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for an automobile armrest, substantially as shown. 